1. Scott, R. 2014. Free Improvisation and Nothing: From the Tactics of Escape to a Bastard Science. ACT – Zeitschrift für Musik & Performance 2014/5. www.act.uni-bayreuth.de/de/archiv/201405/02_Scott_FreeImprovisation/index.html (accessed April 25 2022).
2. Seoul Music;Roe;The Wire,2010
3. Callingham, A. 2007. Spontaneous Music: The First Generation of British Free Improvisers. Doctoral dissertation, University of Huddersfield.
4. Brooks, A. 2014. A Radical Idiom: Style and Meaning in the Guitar Music of Derek Bailey and Richard Barrett and Energy Shapes, an Original Composition for Electric Guitar and Electronic Sounds. Doctoral dissertation, University of Pittsburgh.